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Finding the Fourth Proportional to 75,848,272.20, 113,772,408.30 and 75,848,272.20

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Solution

The fourth proportional to 75,848,272.20, 113,772,408.30 and 75,848,272.20 is: 113,772,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,848,272.20 : 113,772,408.30 = 75,848,272.20 : x
  2. Step 2: Convert to fraction form
    75,848,272.20/113,772,408.30 = 75,848,272.20/x
  3. Step 3: Cross multiply
    75,848,272.20x = 113,772,408.30 × 75,848,272.20
  4. Step 4: Simplify right side
    75,848,272.20x = 8,629,440,593,587,939
  5. Step 5: Solve for x
    x = 8,629,440,593,587,939/75,848,272.20
  6. Step 6: Final answer
    x = 113,772,408.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.